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HICOM 100E
(112) Siemens PBx
HICOM 100E (112) identical to Octopus 20A.
4x So ISDN (int. / ext.)
4x a/b connection on MB
8x UPo/E, with masterslave operation up to 16 ext..
2x free slots, to use for example a 8SLA, STLS 2/4 or SLU8 board.